Re: [Xen-devel] Re: XEN 4.0.1: BUG: IO-APIC + timer doesn't work!

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Sep 09, 2010 at 02:00:49AM +0200, Markus Schuster wrote:
> Hi Jan!
> 
> >> Feel free to ask for additional information as needed.
> > 
> > You will want to boot 3.4.3 and 4.0.1 with "loglvl=all" and compare
> 
> I think the relevant difference is:
> XEN 3.4.3:
> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> (XEN) ...trying to set up timer (IRQ0) through the 8259A ...  failed.
> (XEN) ...trying to set up timer as Virtual Wire IRQ... failed.
> (XEN) ...trying to set up timer as ExtINT IRQ... works.
> 
> XEN 4.0.1:
> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> (XEN) ...trying to set up timer (IRQ0) through the 8259A ...  failed.
> (XEN) ...trying to set up timer as Virtual Wire IRQ... failed.
> (XEN) ...trying to set up timer as ExtINT IRQ... failed :(.
> 
> Please have a look in the attached files for details. 
> 
> 
> > And you clearly didn't follow the first part of the request made here
> > (admittedly the text isn't fully correct, as it would need to be
> > "apic_verbosity=debug".
> 
> Well, it's a bit hard to follow the instructions if they are clearly wrong 
> ;) But nevermind, I've booted with apic_verbosity=debug - have a look in the 
> attached files please. 
> 

Send a patch please :)

-- Pasi


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